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A276901 as a simple table

n a(n)
0 0
1 1
2 2
3 9
4 34
5 159
6 730
7 3579
8 17762
9 90538
10 467796
11 2452727
12 12997554
13 69549847
14 375159290
15 2038068813
16 11140256754
17 61227097438
18 338140106124
19 1875581756078
20 10444142352812
21 58364192607047
22 327203347219250
23 1839778650617309
24 10372512509521074

[0,1,2,9,34,159,730,3579,17762,90538,467796,
 2452727,12997554,69549847,375159290,2038068813,
 11140256754,61227097438,338140106124,
 1875581756078,10444142352812,58364192607047,
 327203347219250,1839778650617309,
 10372512509521074]

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Last modified March 29 00:26 EDT 2024. Contains 371264 sequences. (Running on oeis4.)